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Acpi10.h
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1 /** @file
2  ACPI 1.0b definitions from the ACPI Specification, revision 1.0b
3 
4 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
5 Copyright (c) 2020, Arm Limited. All rights reserved.<BR>
6 SPDX-License-Identifier: BSD-2-Clause-Patent
7 **/
8 
9 #ifndef _ACPI_1_0_H_
10 #define _ACPI_1_0_H_
11 
12 FILE_LICENCE ( BSD2_PATENT );
13 
15 
16 ///
17 /// Common table header, this prefaces all ACPI tables, including FACS, but
18 /// excluding the RSD PTR structure.
19 ///
20 typedef struct {
24 
25 #pragma pack(1)
26 ///
27 /// The common ACPI description table header. This structure prefaces most ACPI tables.
28 ///
29 typedef struct {
34  UINT8 OemId[6];
40 #pragma pack()
41 
42 //
43 // Define for Descriptor
44 //
45 #define ACPI_SMALL_ITEM_FLAG 0x00
46 #define ACPI_LARGE_ITEM_FLAG 0x01
47 
48 //
49 // Small Item Descriptor Name
50 //
51 #define ACPI_SMALL_IRQ_DESCRIPTOR_NAME 0x04
52 #define ACPI_SMALL_DMA_DESCRIPTOR_NAME 0x05
53 #define ACPI_SMALL_START_DEPENDENT_DESCRIPTOR_NAME 0x06
54 #define ACPI_SMALL_END_DEPENDENT_DESCRIPTOR_NAME 0x07
55 #define ACPI_SMALL_IO_PORT_DESCRIPTOR_NAME 0x08
56 #define ACPI_SMALL_FIXED_IO_PORT_DESCRIPTOR_NAME 0x09
57 #define ACPI_SMALL_VENDOR_DEFINED_DESCRIPTOR_NAME 0x0E
58 #define ACPI_SMALL_END_TAG_DESCRIPTOR_NAME 0x0F
59 
60 //
61 // Large Item Descriptor Name
62 //
63 #define ACPI_LARGE_24_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x01
64 #define ACPI_LARGE_VENDOR_DEFINED_DESCRIPTOR_NAME 0x04
65 #define ACPI_LARGE_32_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x05
66 #define ACPI_LARGE_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR_NAME 0x06
67 #define ACPI_LARGE_DWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x07
68 #define ACPI_LARGE_WORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x08
69 #define ACPI_LARGE_EXTENDED_IRQ_DESCRIPTOR_NAME 0x09
70 #define ACPI_LARGE_QWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x0A
71 
72 //
73 // Small Item Descriptor Value
74 //
75 #define ACPI_IRQ_NOFLAG_DESCRIPTOR 0x22
76 #define ACPI_IRQ_DESCRIPTOR 0x23
77 #define ACPI_DMA_DESCRIPTOR 0x2A
78 #define ACPI_START_DEPENDENT_DESCRIPTOR 0x30
79 #define ACPI_START_DEPENDENT_EX_DESCRIPTOR 0x31
80 #define ACPI_END_DEPENDENT_DESCRIPTOR 0x38
81 #define ACPI_IO_PORT_DESCRIPTOR 0x47
82 #define ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR 0x4B
83 #define ACPI_END_TAG_DESCRIPTOR 0x79
84 
85 //
86 // Large Item Descriptor Value
87 //
88 #define ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR 0x81
89 #define ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR 0x85
90 #define ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR 0x86
91 #define ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR 0x87
92 #define ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR 0x88
93 #define ACPI_EXTENDED_INTERRUPT_DESCRIPTOR 0x89
94 #define ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR 0x8A
95 #define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
96 
97 //
98 // Resource Type
99 //
100 #define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
101 #define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
102 #define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
103 
104 ///
105 /// Power Management Timer frequency is fixed at 3.579545MHz.
106 ///
107 #define ACPI_TIMER_FREQUENCY 3579545
108 
109 //
110 // Ensure proper structure formats
111 //
112 #pragma pack(1)
113 
114 ///
115 /// The common definition of QWORD, DWORD, and WORD
116 /// Address Space Descriptors.
117 ///
118 typedef PACKED struct {
130 
131 typedef PACKED union {
133  PACKED struct {
135  UINT8 Name : 4;
136  UINT8 Type : 1;
137  } Bits;
139 
140 typedef PACKED struct {
141  PACKED union {
142  UINT8 Byte;
143  PACKED struct {
144  UINT8 Name : 7;
145  UINT8 Type : 1;
146  } Bits;
147  } Header;
148  UINT16 Length;
150 
151 ///
152 /// IRQ Descriptor.
153 ///
154 typedef PACKED struct {
158 
159 ///
160 /// IRQ Descriptor.
161 ///
162 typedef PACKED struct {
164  UINT16 Mask;
167 
168 ///
169 /// DMA Descriptor.
170 ///
171 typedef PACKED struct {
176 
177 ///
178 /// I/O Port Descriptor
179 ///
180 typedef PACKED struct {
186  UINT8 Length;
188 
189 ///
190 /// Fixed Location I/O Port Descriptor.
191 ///
192 typedef PACKED struct {
195  UINT8 Length;
197 
198 ///
199 /// 24-Bit Memory Range Descriptor
200 ///
201 typedef PACKED struct {
207  UINT16 Length;
209 
210 ///
211 /// 32-Bit Memory Range Descriptor
212 ///
213 typedef PACKED struct {
219  UINT32 Length;
221 
222 ///
223 /// Fixed 32-Bit Fixed Memory Range Descriptor
224 ///
225 typedef PACKED struct {
229  UINT32 Length;
231 
232 ///
233 /// QWORD Address Space Descriptor
234 ///
235 typedef PACKED struct {
237  UINT8 ResType;
238  UINT8 GenFlag;
244  UINT64 AddrLen;
246 
247 ///
248 /// DWORD Address Space Descriptor
249 ///
250 typedef PACKED struct {
252  UINT8 ResType;
253  UINT8 GenFlag;
259  UINT32 AddrLen;
261 
262 ///
263 /// WORD Address Space Descriptor
264 ///
265 typedef PACKED struct {
267  UINT8 ResType;
268  UINT8 GenFlag;
274  UINT16 AddrLen;
276 
277 ///
278 /// Extended Interrupt Descriptor
279 ///
280 typedef PACKED struct {
286 
287 #pragma pack()
288 
289 ///
290 /// The End tag identifies an end of resource data.
291 ///
292 typedef struct {
296 
297 //
298 // General use definitions
299 //
300 #define EFI_ACPI_RESERVED_BYTE 0x00
301 #define EFI_ACPI_RESERVED_WORD 0x0000
302 #define EFI_ACPI_RESERVED_DWORD 0x00000000
303 #define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
304 
305 //
306 // Resource Type Specific Flags
307 // Ref ACPI specification 6.4.3.5.5
308 //
309 // Bit [0] : Write Status, _RW
310 //
311 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
312 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
313 //
314 // Bit [2:1] : Memory Attributes, _MEM
315 //
316 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
317 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
318 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
319 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
320 //
321 // Bit [4:3] : Memory Attributes, _MTP
322 //
323 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
324 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
325 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
326 #define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
327 //
328 // Bit [5] : Memory to I/O Translation, _TTP
329 //
330 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
331 #define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)
332 
333 //
334 // IRQ Information
335 // Ref ACPI specification 6.4.2.1
336 //
337 #define EFI_ACPI_IRQ_SHARABLE_MASK 0x10
338 #define EFI_ACPI_IRQ_SHARABLE 0x10
339 
340 #define EFI_ACPI_IRQ_POLARITY_MASK 0x08
341 #define EFI_ACPI_IRQ_HIGH_TRUE 0x00
342 #define EFI_ACPI_IRQ_LOW_FALSE 0x08
343 
344 #define EFI_ACPI_IRQ_MODE 0x01
345 #define EFI_ACPI_IRQ_LEVEL_TRIGGERED 0x00
346 #define EFI_ACPI_IRQ_EDGE_TRIGGERED 0x01
347 
348 //
349 // DMA Information
350 // Ref ACPI specification 6.4.2.2
351 //
352 #define EFI_ACPI_DMA_SPEED_TYPE_MASK 0x60
353 #define EFI_ACPI_DMA_SPEED_TYPE_COMPATIBILITY 0x00
354 #define EFI_ACPI_DMA_SPEED_TYPE_A 0x20
355 #define EFI_ACPI_DMA_SPEED_TYPE_B 0x40
356 #define EFI_ACPI_DMA_SPEED_TYPE_F 0x60
357 
358 #define EFI_ACPI_DMA_BUS_MASTER_MASK 0x04
359 #define EFI_ACPI_DMA_BUS_MASTER 0x04
360 
361 #define EFI_ACPI_DMA_TRANSFER_TYPE_MASK 0x03
362 #define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT 0x00
363 #define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT_AND_16_BIT 0x01
364 #define EFI_ACPI_DMA_TRANSFER_TYPE_16_BIT 0x02
365 
366 //
367 // IO Information
368 // Ref ACPI specification 6.4.2.5
369 //
370 #define EFI_ACPI_IO_DECODE_MASK 0x01
371 #define EFI_ACPI_IO_DECODE_16_BIT 0x01
372 #define EFI_ACPI_IO_DECODE_10_BIT 0x00
373 
374 //
375 // Memory Information
376 // Ref ACPI specification 6.4.3.4
377 //
378 #define EFI_ACPI_MEMORY_WRITE_STATUS_MASK 0x01
379 #define EFI_ACPI_MEMORY_WRITABLE 0x01
380 #define EFI_ACPI_MEMORY_NON_WRITABLE 0x00
381 
382 //
383 // Interrupt Vector Flags definitions for Extended Interrupt Descriptor
384 // Ref ACPI specification 6.4.3.6
385 //
386 #define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_PRODUCER_CONSUMER_MASK BIT0
387 #define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_MODE_MASK BIT1
388 #define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_POLARITY_MASK BIT2
389 #define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_SHARABLE_MASK BIT3
390 #define EFI_ACPI_EXTENDED_INTERRUPT_FLAG_WAKE_CAPABLITY_MASK BIT4
391 
392 //
393 // Ensure proper structure formats
394 //
395 #pragma pack(1)
396 //
397 // ACPI 1.0b table structures
398 //
399 
400 ///
401 /// Root System Description Pointer Structure.
402 ///
403 typedef struct {
406  UINT8 OemId[6];
410 
411 //
412 // Root System Description Table
413 // No definition needed as it is a common description table header, the same with
414 // EFI_ACPI_DESCRIPTION_HEADER, followed by a variable number of UINT32 table pointers.
415 //
416 
417 ///
418 /// RSDT Revision (as defined in ACPI 1.0b specification).
419 ///
420 #define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01
421 
422 ///
423 /// Fixed ACPI Description Table Structure (FADT).
424 ///
425 typedef struct {
467 
468 ///
469 /// FADT Version (as defined in ACPI 1.0b specification).
470 ///
471 #define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION 0x01
472 
473 #define EFI_ACPI_1_0_INT_MODE_DUAL_PIC 0
474 #define EFI_ACPI_1_0_INT_MODE_MULTIPLE_APIC 1
475 
476 //
477 // Fixed ACPI Description Table Fixed Feature Flags
478 // All other bits are reserved and must be set to 0.
479 //
480 #define EFI_ACPI_1_0_WBINVD BIT0
481 #define EFI_ACPI_1_0_WBINVD_FLUSH BIT1
482 #define EFI_ACPI_1_0_PROC_C1 BIT2
483 #define EFI_ACPI_1_0_P_LVL2_UP BIT3
484 #define EFI_ACPI_1_0_PWR_BUTTON BIT4
485 #define EFI_ACPI_1_0_SLP_BUTTON BIT5
486 #define EFI_ACPI_1_0_FIX_RTC BIT6
487 #define EFI_ACPI_1_0_RTC_S4 BIT7
488 #define EFI_ACPI_1_0_TMR_VAL_EXT BIT8
489 #define EFI_ACPI_1_0_DCK_CAP BIT9
490 
491 ///
492 /// Firmware ACPI Control Structure.
493 ///
494 typedef struct {
503 
504 ///
505 /// Firmware Control Structure Feature Flags.
506 /// All other bits are reserved and must be set to 0.
507 ///
508 #define EFI_ACPI_1_0_S4BIOS_F BIT0
509 
510 ///
511 /// Multiple APIC Description Table header definition. The rest of the table
512 /// must be defined in a platform-specific manner.
513 ///
514 typedef struct {
519 
520 ///
521 /// MADT Revision (as defined in ACPI 1.0b specification).
522 ///
523 #define EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION 0x01
524 
525 ///
526 /// Multiple APIC Flags
527 /// All other bits are reserved and must be set to 0.
528 ///
529 #define EFI_ACPI_1_0_PCAT_COMPAT BIT0
530 
531 //
532 // Multiple APIC Description Table APIC structure types
533 // All other values between 0x05 an 0xFF are reserved and
534 // will be ignored by OSPM.
535 //
536 #define EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC 0x00
537 #define EFI_ACPI_1_0_IO_APIC 0x01
538 #define EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE 0x02
539 #define EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE 0x03
540 #define EFI_ACPI_1_0_LOCAL_APIC_NMI 0x04
541 
542 //
543 // APIC Structure Definitions
544 //
545 
546 ///
547 /// Processor Local APIC Structure Definition.
548 ///
549 typedef struct {
556 
557 ///
558 /// Local APIC Flags. All other bits are reserved and must be 0.
559 ///
560 #define EFI_ACPI_1_0_LOCAL_APIC_ENABLED BIT0
561 
562 ///
563 /// IO APIC Structure.
564 ///
565 typedef struct {
573 
574 ///
575 /// Interrupt Source Override Structure.
576 ///
577 typedef struct {
585 
586 ///
587 /// Non-Maskable Interrupt Source Structure.
588 ///
589 typedef struct {
595 
596 ///
597 /// Local APIC NMI Structure.
598 ///
599 typedef struct {
606 
607 ///
608 /// Smart Battery Description Table (SBST)
609 ///
610 typedef struct {
616 
617 //
618 // Known table signatures
619 //
620 
621 ///
622 /// "RSD PTR " Root System Description Pointer.
623 ///
624 #define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE SIGNATURE_64('R', 'S', 'D', ' ', 'P', 'T', 'R', ' ')
625 
626 ///
627 /// "APIC" Multiple APIC Description Table.
628 ///
629 #define EFI_ACPI_1_0_APIC_SIGNATURE SIGNATURE_32('A', 'P', 'I', 'C')
630 
631 ///
632 /// "DSDT" Differentiated System Description Table.
633 ///
634 #define EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('D', 'S', 'D', 'T')
635 
636 ///
637 /// "FACS" Firmware ACPI Control Structure.
638 ///
639 #define EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'S')
640 
641 ///
642 /// "FACP" Fixed ACPI Description Table.
643 ///
644 #define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'P')
645 
646 ///
647 /// "PSDT" Persistent System Description Table.
648 ///
649 #define EFI_ACPI_1_0_PERSISTENT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('P', 'S', 'D', 'T')
650 
651 ///
652 /// "RSDT" Root System Description Table.
653 ///
654 #define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('R', 'S', 'D', 'T')
655 
656 ///
657 /// "SBST" Smart Battery Specification Table.
658 ///
659 #define EFI_ACPI_1_0_SMART_BATTERY_SPECIFICATION_TABLE_SIGNATURE SIGNATURE_32('S', 'B', 'S', 'T')
660 
661 ///
662 /// "SSDT" Secondary System Description Table.
663 ///
664 #define EFI_ACPI_1_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('S', 'S', 'D', 'T')
665 
666 #pragma pack()
667 
668 #endif
EFI_ACPI_DESCRIPTION_HEADER Header
Definition: Acpi10.h:426
UINT8 Alignment
Definition: Acpi10.h:185
PACKED struct @487 EFI_ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR
QWORD Address Space Descriptor.
PACKED struct @478 ACPI_LARGE_RESOURCE_HEADER
UINT16 Mask
Definition: Acpi10.h:156
UINT8 Type
Definition: Acpi10.h:136
UINT8 SpecificFlag
Definition: Acpi10.h:123
UINT16 Len
Definition: Acpi10.h:120
PACKED struct @482 EFI_ACPI_IO_PORT_DESCRIPTOR
I/O Port Descriptor.
UINT16 BaseAddressMin
Definition: Acpi10.h:183
Interrupt Source Override Structure.
Definition: Acpi10.h:577
UINT8 Information
Definition: Acpi10.h:165
Processor Local APIC Structure Definition.
Definition: Acpi10.h:549
PACKED struct @481 EFI_ACPI_DMA_DESCRIPTOR
DMA Descriptor.
Fixed ACPI Description Table Structure (FADT).
Definition: Acpi10.h:425
PACKED struct @489 EFI_ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR
WORD Address Space Descriptor.
UINT8 InterruptVectorFlags
Definition: Acpi10.h:282
The End tag identifies an end of resource data.
Definition: Acpi10.h:292
unsigned int UINT32
Definition: ProcessorBind.h:98
UINT8 Length
Definition: Acpi10.h:134
EFI_ACPI_DESCRIPTION_HEADER Header
Definition: Acpi10.h:611
UINT64 AddrTranslationOffset
Definition: Acpi10.h:127
PACKED struct @490 EFI_ACPI_EXTENDED_INTERRUPT_DESCRIPTOR
Extended Interrupt Descriptor.
Non-Maskable Interrupt Source Structure.
Definition: Acpi10.h:589
Common table header, this prefaces all ACPI tables, including FACS, but excluding the RSD PTR structu...
Definition: Acpi10.h:20
#define PACKED
Definition: Base.h:209
UINT8 ResType
Definition: Acpi10.h:121
unsigned char UINT8
UINT16 BaseAddressMax
Definition: Acpi10.h:184
Multiple APIC Description Table header definition.
Definition: Acpi10.h:514
UINT64 AddrSpaceGranularity
Definition: Acpi10.h:124
Root System Description Pointer Structure.
Definition: Acpi10.h:403
PACKED struct @477::@491 Bits
UINT8 Name
Definition: Acpi10.h:135
UINT64 AddrLen
Definition: Acpi10.h:128
IO APIC Structure.
Definition: Acpi10.h:565
UINT32 InterruptNumber[1]
Definition: Acpi10.h:284
Local APIC NMI Structure.
Definition: Acpi10.h:599
unsigned short UINT16
UINT8 Reserved
Must be zero.
Definition: Acpi30.h:50
This file contains AML code definition in the latest ACPI spec.
PACKED struct @483 EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR
Fixed Location I/O Port Descriptor.
The common ACPI description table header.
Definition: Acpi10.h:29
PACKED union @477 ACPI_SMALL_RESOURCE_HEADER
unsigned long long UINT64
Definition: ProcessorBind.h:96
UINT8 ChannelMask
Definition: Acpi10.h:173
FILE_LICENCE(BSD2_PATENT)
UINT8 Desc
Definition: Acpi10.h:119
UINT64 AddrRangeMax
Definition: Acpi10.h:126
PACKED struct @480 EFI_ACPI_IRQ_DESCRIPTOR
IRQ Descriptor.
PACKED struct @479 EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR
IRQ Descriptor.
UINT16 BaseAddress
Definition: Acpi10.h:194
PACKED struct @476 EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR
The common definition of QWORD, DWORD, and WORD Address Space Descriptors.
Smart Battery Description Table (SBST)
Definition: Acpi10.h:610
UINT8 GenFlag
Definition: Acpi10.h:122
PACKED struct @485 EFI_ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR
32-Bit Memory Range Descriptor
Firmware ACPI Control Structure.
Definition: Acpi10.h:494
UINT8 InterruptTableLength
Definition: Acpi10.h:283
UINT64 AddrRangeMin
Definition: Acpi10.h:125
PACKED struct @486 EFI_ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR
Fixed 32-Bit Fixed Memory Range Descriptor.
PACKED struct @484 EFI_ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR
24-Bit Memory Range Descriptor
PACKED struct @488 EFI_ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR
DWORD Address Space Descriptor.
PACKED union @478::@492 Header
Definition: Acpi10.h:155
UINT8 Byte
Definition: Acpi10.h:132